Station list     Available data
ILLINOIS RIVER BASIN


415037087581700             OAK BROOK LIFT STATION AT OAK BROOK, IL



LOCATION.--Latitude 41°50'37", longitude 87°58'17", in SW1/4NE1/4NW1/4 sec.27, T.39 N., R.11 E., Du Page County.

PERIOD OF RECORD.--July 18, 1997 to current year.

GAGE.--A 6-in.-diameter, unheated, tipping-bucket rain gage.

REMARKS.--Snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors.

MAXIMUM FOR PERIOD OF RECORD.--Maximum, 2.64 in, September 7, 1998.

MAXIMUM FOR WATER YEAR 1997.--Maximum recorded, 1.55 in., August 16, 1997.

MAXIMUM FOR WATER YEAR 1998.--Maximum, 2.64 in., September 7, 1998.
RAINFALL, IN INCHES, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY TOTAL VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 -- -- -- -- -- -- -- -- -- -- 0.00 0.00
2 -- -- -- -- -- -- -- -- -- -- .00 .00
3 -- -- -- -- -- -- -- -- -- -- .52 .00
4 -- -- -- -- -- -- -- -- -- -- .11 .00
5 -- -- -- -- -- -- -- -- -- -- .00 .01
6 -- -- -- -- -- -- -- -- -- -- .00 .00
7 -- -- -- -- -- -- -- -- -- -- .00 .00
8 -- -- -- -- -- -- -- -- -- -- .00 .04
9 -- -- -- -- -- -- -- -- -- -- .00 .02
10 -- -- -- -- -- -- -- -- -- -- .00 .00
11 -- -- -- -- -- -- -- -- -- -- .70 .00
12 -- -- -- -- -- -- -- -- -- -- 1.02 .00
13 -- -- -- -- -- -- -- -- -- -- .00 .00
14 -- -- -- -- -- -- -- -- -- -- .00 .00
15 -- -- -- -- -- -- -- -- -- -- .37 .00
16 -- -- -- -- -- -- -- -- -- -- 1.55 .77
17 -- -- -- -- -- -- -- -- -- -- .96 .22
18 -- -- -- -- -- -- -- -- -- 1.09 .00 .00
19 -- -- -- -- -- -- -- -- -- .00 .00 .65
20 -- -- -- -- -- -- -- -- -- .00 .00 .00
21 -- -- -- -- -- -- -- -- -- .02 .00 .00
22 -- -- -- -- -- -- -- -- -- .04 .00 .05
23 -- -- -- -- -- -- -- -- -- .00 .01 .06
24 -- -- -- -- -- -- -- -- -- .00 .07 .00
25 -- -- -- -- -- -- -- -- -- .00 .00 .00
26 -- -- -- -- -- -- -- -- -- .00 .00 .00
27 -- -- -- -- -- -- -- -- -- .00 .00 .00
28 -- -- -- -- -- -- -- -- -- .00 .00 .00
29 -- -- -- -- -- -- -- -- -- .00 .00 .00
30 -- -- -- -- -- -- -- -- -- .00 .01 .00
31 -- -- -- -- -- -- -- -- -- .00 .00 --

TOTAL -- -- -- -- -- -- -- -- -- -- 5.32 1.82
RAINFALL, IN INCHES, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY TOTAL VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 0.00 0.06 e0.02 s0.05 0.12 0.00 0.13 0.00 0.00 0.00 0.00 0.00
2 .00 .00 .00 .00 .00 s.03 .00 .00 .00 .00 .00 .00
3 .00 .13 .12 .31 .00 s.02 .00 .03 .08 1.38 .19 .34
4 .02 .00 .00 .27 .00 s.09 .00 .03 .00 .01 1.76 .00
5 .00 .11 .00 .42 .00 .00 .00 .12 .07 .00 1.45 .00
6 .00 .18 .00 .24 .00 .01 .00 .15 .05 .00 .00 .44
7 .00 .00 .00 .07 .00 .00 e.58 2.03 .00 .06 .18 2.64
8 .00 .00 .00 s.37 .00 .78 .37 .07 .10 .00 .11 .00
9 .17 .00 s.10 s.05 .00 s.30 .01 .00 .95 .00 .00 .00
10 .00 s.03 s.26 .00 .06 .00 .00 .00 .00 .00 .03 .00
11 .00 .00 .00 .00 .61 .00 .00 .00 1.09 .00 .01 .00
12 .00 .00 .00 s.02 .00 .00 .00 .06 .00 .00 .00 .00
13 .52 .00 .00 .00 .00 s.01 .30 .08 .00 .00 .00 .00
14 .01 s.05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .52
15 .00 s.01 .00 .00 .00 .00 .10 .00 .00 .00 .09 .02
16 .00 .00 .00 s.01 e.32 .00 .31 .00 .00 .00 .00 .00
17 .00 .00 .00 .00 .24 .59 .00 .00 .00 .00 .00 .00
18 .00 s.22 .00 .00 .01 .25 .00 .00 .90 .00 .00 .00
19 .00 .00 .00 .00 .00 .02 .00 .00 .00 .33 .00 .00
20 .00 .00 .00 .00 .02 .01 .63 .00 .00 .01 .00 .02
21 .00 .00 .00 .00 .00 .00 .13 .00 .00 .06 .00 .00
22 .00 .00 .06 .00 .00 .00 .00 .00 .00 .12 .02 .00
23 .00 .00 .00 .00 .00 .00 .00 .53 .00 .00 .00 .00
24 .14 .00 s.12 .00 .07 .00 .00 .43 .00 .00 .34 .00
25 .00 .00 s.37 .00 .00 .00 .08 .00 .00 .00 .58 .13
26 .88 .00 s.01 s.16 .00 .00 .39 .00 1.13 .00 .00 .00
27 s.22 .47 .00 .00 .08 .00 .00 .00 .00 .00 .00 .00
28 .00 e.02 s.00 .00 .00 .15 .04 .20 .18 .00 .40 .00
29 .00 e.12 .00 s.01 -- .00 .24 .04 .08 .00 .00 .16
30 .00 e.00 .00 .00 -- .00 .03 .00 .00 .00 .00 .30
31 .00 -- .00 .00 -- .88 -- .02 -- .00 .00 --

TOTAL 1.96 1.40 1.06 1.98 1.53 3.14 3.34 3.79 4.63 1.97 5.16 4.57
s Snowfall-affected precipitation
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data